And because of that, we're not sure which tranches will pay, which won't, and we can't be sure of the underlying value of the tranches at issue.
According to TiVo the Series3 supports integration with the most popular Home Automation system: Crestron, but since we don't have one, we can't say for sure.
We don't know the future, but we can sure tell you what we're not buying right now.
ENGADGET: CE-Oh no he didn't! Part LIX: Elevation's McNamee predicts death to iPhone on June 29
We can't build the new Iraq for them, but we can make sure that when we leave they are in a position to build it themselves.
CENTERFORSECURITYPOLICY: Remarks to the Council on Foreign Relations
Images are bright and colorful despite dim and gloomy lighting, and while we can't say for sure whether that's thanks to the larger sensor or the integrated TrueColor tech, we can say the difference is noticeable compared to the competition.
We can't get rid of the carcinogens in the environment, but we can make sure that our kids arrive at school each day with a reusable lunch bag full of produce from the farmers' market.
On thing's for sure: we can't wait to take the company's latest imaging flagship for a spin.
ENGADGET: HTC One imaging in depth: UltraPixel camera and Zoe Share
We can't be sure they were discussing dinner, but scientists do think dolphins call each other by name.
Whether any of this is actually true is another question altogether, and we can't be sure until Sony gives official word.
"At this point we can't be sure exactly how females are choosing to mate more 'intelligent' males, but there are two basic ways this could occur, " says Keagy.
So that we can't be sure that just because someone has a piece of mail returned to them, it doesn't mean that they don't live at that address.
We can't be sure how many people responded to the campaign but it was certainly very visible on Twitter and Facebook, and the site with the Tweet This links had over 40, 000 views in 24 hours.
We can't be sure yet which, if any, were made worse by manmade climate change, although a study from researchers in Germany suggests that heatwaves are five times more likely due to current levels of heating.
We can't say for sure how much the Bank Holiday or the Olympics have distorted these figures.
We can't really be sure of his age, but as per the school admission records, he is 17 years and six months old.
BBC: Delhi rape: Court rules suspect to be tried as juvenile
Whether it's for the love of the arts, a penchant for public ridicule or a closer whiff of the ground below, we can't say for sure.
ENGADGET: These boots were made for talkin': O2 teams up with artist for 'walkie talkie' footwear
With three days until the first ball is bowled, we can't yet be sure what the pitch and conditions will be like so there is the flexibility in the 13 to find the right balance on Wednesday.
"The records from earlier periods are often unreliable so we can't be entirely sure but there have been people living into their 80s and 90s since at least the Greek civilisation, " says Professor Tom Kirkwood, an authority on genetics and ageing.
Although we can't say for sure if it is this early exposure to these foods that makes the difference or whether it is learned behaviour from the feeding habits of the whole family that is important, it makes sense that fresh is best.
"We can't say for sure how much of that benefit is down to the yoghurt and how much they are down to a whole range of infection control procedures that the hospital has in place such as the deep cleaning programme, the bare-below-the-elbow programme, and the increased isolation procedures, " Ms Heyes said.
"I said to him, 'it's not that we can't do this sport, it's because we don't understand it -- should we be exposed to it I'm sure we can do it, ' and that is how I got into it, " Vilane says.
We can't say anything for sure until we see what actually happens in November's election.
It has insurance reforms that benefit everybody potentially who has health insurance or currently doesn't have health insurance so that we put an end to, for example, the practice of not being able to get health insurance because of a preexisting condition. (Applause.) We make sure that they can't just drop you when you get sick and you need insurance the most.
In truth no one would have known for sure what he suffered from and we can't know either.
We can't say, but things are sure to get interesting.
ENGADGET: Google claims that Microsoft is encouraging third party anti-trust lawsuits
He also wants to increase transparency in the way prices are set, "so we can make sure that energy companies aren't bending the rules, " according to his campaign.
We'll make sure that companies can't avoid paying tax on income they earn in the U.S. by pretending that they earned it in an overseas tax haven instead.
WSJ: Max Baucus and Dave Camp: Tax Reform Is Very Much Alive and Doable
"We can't begin to grieve until we know for sure that he is not alive, " he added.
BBC: Lee Boxell case: Fresh appeal 25 years on for missing teen
But if they don't, we'll apply all pressure that we can to make sure that they do.
WHITEHOUSE: Press Briefing by Deputy Press Secretary Bill Burton
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